return system low pressure oil 回油系统低压油
low pressure return oil 低压回流机油
low-pressure return line 低压回油线
Mahle hydraulic filters are available in low, medium, and high pressure configurations and includes hydraulic return and suction filters.
马勒液压过滤器可在低，中，高压力的配置，包括液压过滤器的返回和吸力。
When the pressure transients occur in low pressure pipelines such as the suction lines of pumps or the return lines of a hydraulic system, gas bubbles and cavitation will occur inside the fluid.
当压力脉动发生在液压泵的吸油管路或液压系统的回油管路等低压管路中时，会引起气泡和气穴的产生及破灭。
Total anomalous pulmonary venous return is not accompanied by a murmur because of the low venous pressure.
由于静脉压力很低，完全性肺静脉异常不产生杂音。
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